By Maria Isabel Sanchez Vegara, Ana Albero
By Kerrigan, Juliet, Collins Big Cat
By Collins Dictionaries
By Blackford, Harriet, Collins Big Cat
By Terry Deary, Martin Brown
By Penny King
By Miskin, Ruth
By Brian Hillary, etc.
By Anita Ganeri, Mike Phillips
By Liz Gogerly, Mike Gordon
By Ruth Thomson, Lola Almudevar, Chris Fairclough
By Scholastic
By Anna Claybourne
By National Geographic Kids
By Dan Gutman
By Emma Young
By Susie Dent
By Mary Atkinson
By Hayden Fox
By Graham, Elspeth, Collins Big Cat
By Jane Shuter
By John Foster
By Mitchell Symons
By Bubbles Books